./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ee6cd1f-ec68-45df-a2de-d65d3fe21f27/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ee6cd1f-ec68-45df-a2de-d65d3fe21f27/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ee6cd1f-ec68-45df-a2de-d65d3fe21f27/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ee6cd1f-ec68-45df-a2de-d65d3fe21f27/bin/utaipan-verify-YMUCfTKeje/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ee6cd1f-ec68-45df-a2de-d65d3fe21f27/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ee6cd1f-ec68-45df-a2de-d65d3fe21f27/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16b41d7352a3e7bca6c65d29839f35cd9a045339e5497acb7d0d6bf7ecef2ad7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:03:33,906 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:03:34,001 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ee6cd1f-ec68-45df-a2de-d65d3fe21f27/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2024-11-09 05:03:34,008 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:03:34,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:03:34,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:03:34,045 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:03:34,045 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:03:34,046 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:03:34,047 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:03:34,048 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:03:34,049 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:03:34,050 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:03:34,050 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:03:34,053 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:03:34,054 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:03:34,054 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:03:34,054 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:03:34,055 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:03:34,055 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:03:34,055 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:03:34,056 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:03:34,056 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 05:03:34,057 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 05:03:34,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:03:34,057 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:03:34,057 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:03:34,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:03:34,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:03:34,058 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 05:03:34,058 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 05:03:34,072 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 05:03:34,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:03:34,072 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:03:34,073 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:03:34,073 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:03:34,073 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:03:34,074 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:03:34,074 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:03:34,074 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:03:34,074 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:03:34,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:03:34,075 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:03:34,075 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:03:34,076 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:03:34,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:03:34,076 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:03:34,077 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:03:34,077 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:03:34,077 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ee6cd1f-ec68-45df-a2de-d65d3fe21f27/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ee6cd1f-ec68-45df-a2de-d65d3fe21f27/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16b41d7352a3e7bca6c65d29839f35cd9a045339e5497acb7d0d6bf7ecef2ad7 [2024-11-09 05:03:34,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:03:34,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:03:34,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:03:34,389 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:03:34,390 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:03:34,391 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ee6cd1f-ec68-45df-a2de-d65d3fe21f27/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i Unable to find full path for "g++" [2024-11-09 05:03:36,342 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:03:36,583 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:03:36,584 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ee6cd1f-ec68-45df-a2de-d65d3fe21f27/sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2024-11-09 05:03:36,603 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ee6cd1f-ec68-45df-a2de-d65d3fe21f27/bin/utaipan-verify-YMUCfTKeje/data/9875ad3c2/5ee1db6832204fc3b0d96687384903f1/FLAG36cc9b460 [2024-11-09 05:03:36,936 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ee6cd1f-ec68-45df-a2de-d65d3fe21f27/bin/utaipan-verify-YMUCfTKeje/data/9875ad3c2/5ee1db6832204fc3b0d96687384903f1 [2024-11-09 05:03:36,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:03:36,940 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:03:36,941 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:03:36,941 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:03:36,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:03:36,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:03:36" (1/1) ... [2024-11-09 05:03:36,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c3f5a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:36, skipping insertion in model container [2024-11-09 05:03:36,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:03:36" (1/1) ... [2024-11-09 05:03:36,997 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:03:37,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:03:37,375 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:03:37,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:03:37,464 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:03:37,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:37 WrapperNode [2024-11-09 05:03:37,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:03:37,465 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:03:37,465 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:03:37,465 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:03:37,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:37" (1/1) ... [2024-11-09 05:03:37,484 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:37" (1/1) ... [2024-11-09 05:03:37,504 INFO L138 Inliner]: procedures = 162, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-11-09 05:03:37,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:03:37,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:03:37,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:03:37,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:03:37,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:37" (1/1) ... [2024-11-09 05:03:37,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:37" (1/1) ... [2024-11-09 05:03:37,517 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:37" (1/1) ... [2024-11-09 05:03:37,517 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:37" (1/1) ... [2024-11-09 05:03:37,523 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:37" (1/1) ... [2024-11-09 05:03:37,525 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:37" (1/1) ... [2024-11-09 05:03:37,526 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:37" (1/1) ... [2024-11-09 05:03:37,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:37" (1/1) ... [2024-11-09 05:03:37,530 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:03:37,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:03:37,531 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:03:37,531 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:03:37,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:37" (1/1) ... [2024-11-09 05:03:37,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:03:37,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ee6cd1f-ec68-45df-a2de-d65d3fe21f27/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:03:37,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ee6cd1f-ec68-45df-a2de-d65d3fe21f27/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:03:37,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ee6cd1f-ec68-45df-a2de-d65d3fe21f27/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:03:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 05:03:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:03:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-09 05:03:37,611 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-09 05:03:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:03:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 05:03:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:03:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:03:37,616 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 05:03:37,742 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:03:37,745 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:03:37,970 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 05:03:37,972 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:03:38,198 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:03:38,200 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:03:38,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:03:38 BoogieIcfgContainer [2024-11-09 05:03:38,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:03:38,205 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:03:38,206 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:03:38,209 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:03:38,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:03:36" (1/3) ... [2024-11-09 05:03:38,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395d7945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:03:38, skipping insertion in model container [2024-11-09 05:03:38,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:03:37" (2/3) ... [2024-11-09 05:03:38,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395d7945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:03:38, skipping insertion in model container [2024-11-09 05:03:38,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:03:38" (3/3) ... [2024-11-09 05:03:38,213 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_31-traces-mine-vs-mutex_true.i [2024-11-09 05:03:38,234 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:03:38,234 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 05:03:38,234 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 05:03:38,282 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-09 05:03:38,311 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 41 transitions, 89 flow [2024-11-09 05:03:38,361 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 285 states, 283 states have (on average 1.9752650176678446) internal successors, (559), 284 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:03:38,403 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:03:38,411 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4841b8be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:03:38,411 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-09 05:03:38,415 INFO L276 IsEmpty]: Start isEmpty. Operand has 285 states, 283 states have (on average 1.9752650176678446) internal successors, (559), 284 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:03:38,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 05:03:38,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:03:38,424 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:03:38,425 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-09 05:03:38,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:03:38,431 INFO L85 PathProgramCache]: Analyzing trace with hash -886276991, now seen corresponding path program 1 times [2024-11-09 05:03:38,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:03:38,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924245083] [2024-11-09 05:03:38,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:38,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:03:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:38,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:03:38,900 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:03:38,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924245083] [2024-11-09 05:03:38,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924245083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:03:38,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:03:38,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:03:38,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113735341] [2024-11-09 05:03:38,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:03:38,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:03:38,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:03:38,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:03:38,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:03:38,949 INFO L87 Difference]: Start difference. First operand has 285 states, 283 states have (on average 1.9752650176678446) internal successors, (559), 284 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:03:39,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:03:39,149 INFO L93 Difference]: Finished difference Result 408 states and 796 transitions. [2024-11-09 05:03:39,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:03:39,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-09 05:03:39,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:03:39,163 INFO L225 Difference]: With dead ends: 408 [2024-11-09 05:03:39,164 INFO L226 Difference]: Without dead ends: 265 [2024-11-09 05:03:39,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:03:39,171 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 25 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:03:39,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 44 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:03:39,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-09 05:03:39,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2024-11-09 05:03:39,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 263 states have (on average 1.8669201520912548) internal successors, (491), 264 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:03:39,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 491 transitions. [2024-11-09 05:03:39,226 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 491 transitions. Word has length 14 [2024-11-09 05:03:39,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:03:39,226 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 491 transitions. [2024-11-09 05:03:39,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:03:39,227 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 491 transitions. [2024-11-09 05:03:39,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 05:03:39,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:03:39,229 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:03:39,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:03:39,229 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-09 05:03:39,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:03:39,230 INFO L85 PathProgramCache]: Analyzing trace with hash 881672614, now seen corresponding path program 1 times [2024-11-09 05:03:39,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:03:39,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919564654] [2024-11-09 05:03:39,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:39,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:03:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:39,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:03:39,414 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:03:39,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919564654] [2024-11-09 05:03:39,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919564654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:03:39,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:03:39,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:03:39,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071557815] [2024-11-09 05:03:39,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:03:39,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:03:39,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:03:39,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:03:39,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:03:39,421 INFO L87 Difference]: Start difference. First operand 265 states and 491 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:03:39,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:03:39,533 INFO L93 Difference]: Finished difference Result 428 states and 774 transitions. [2024-11-09 05:03:39,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:03:39,534 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-09 05:03:39,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:03:39,537 INFO L225 Difference]: With dead ends: 428 [2024-11-09 05:03:39,537 INFO L226 Difference]: Without dead ends: 249 [2024-11-09 05:03:39,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:03:39,539 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 18 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:03:39,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 36 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:03:39,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-09 05:03:39,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 223. [2024-11-09 05:03:39,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 220 states have (on average 1.75) internal successors, (385), 222 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:03:39,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 385 transitions. [2024-11-09 05:03:39,564 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 385 transitions. Word has length 19 [2024-11-09 05:03:39,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:03:39,564 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 385 transitions. [2024-11-09 05:03:39,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:03:39,564 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 385 transitions. [2024-11-09 05:03:39,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 05:03:39,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:03:39,566 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:03:39,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:03:39,566 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-09 05:03:39,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:03:39,567 INFO L85 PathProgramCache]: Analyzing trace with hash -483380670, now seen corresponding path program 1 times [2024-11-09 05:03:39,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:03:39,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704140331] [2024-11-09 05:03:39,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:39,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:03:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:39,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:03:39,931 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:03:39,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704140331] [2024-11-09 05:03:39,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704140331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:03:39,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:03:39,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:03:39,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972478133] [2024-11-09 05:03:39,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:03:39,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:03:39,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:03:39,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:03:39,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:03:39,935 INFO L87 Difference]: Start difference. First operand 223 states and 385 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:03:40,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:03:40,007 INFO L93 Difference]: Finished difference Result 272 states and 455 transitions. [2024-11-09 05:03:40,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:03:40,008 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-09 05:03:40,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:03:40,010 INFO L225 Difference]: With dead ends: 272 [2024-11-09 05:03:40,010 INFO L226 Difference]: Without dead ends: 147 [2024-11-09 05:03:40,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:03:40,012 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 26 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:03:40,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 24 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:03:40,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-09 05:03:40,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-11-09 05:03:40,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 145 states have (on average 1.5862068965517242) internal successors, (230), 146 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:03:40,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 230 transitions. [2024-11-09 05:03:40,022 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 230 transitions. Word has length 20 [2024-11-09 05:03:40,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:03:40,022 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 230 transitions. [2024-11-09 05:03:40,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:03:40,023 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 230 transitions. [2024-11-09 05:03:40,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 05:03:40,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:03:40,024 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:03:40,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:03:40,025 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-09 05:03:40,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:03:40,026 INFO L85 PathProgramCache]: Analyzing trace with hash -764156417, now seen corresponding path program 1 times [2024-11-09 05:03:40,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:03:40,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613657937] [2024-11-09 05:03:40,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:40,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:03:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:40,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:03:40,204 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:03:40,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613657937] [2024-11-09 05:03:40,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613657937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:03:40,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:03:40,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:03:40,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361512140] [2024-11-09 05:03:40,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:03:40,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:03:40,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:03:40,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:03:40,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:03:40,207 INFO L87 Difference]: Start difference. First operand 147 states and 230 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:03:40,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:03:40,292 INFO L93 Difference]: Finished difference Result 147 states and 230 transitions. [2024-11-09 05:03:40,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:03:40,293 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-11-09 05:03:40,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:03:40,295 INFO L225 Difference]: With dead ends: 147 [2024-11-09 05:03:40,295 INFO L226 Difference]: Without dead ends: 141 [2024-11-09 05:03:40,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:03:40,297 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 20 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:03:40,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 44 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:03:40,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-09 05:03:40,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-11-09 05:03:40,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 140 states have (on average 1.5785714285714285) internal successors, (221), 140 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:03:40,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 221 transitions. [2024-11-09 05:03:40,313 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 221 transitions. Word has length 26 [2024-11-09 05:03:40,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:03:40,313 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 221 transitions. [2024-11-09 05:03:40,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:03:40,314 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 221 transitions. [2024-11-09 05:03:40,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 05:03:40,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:03:40,315 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:03:40,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:03:40,316 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-09 05:03:40,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:03:40,317 INFO L85 PathProgramCache]: Analyzing trace with hash 23243199, now seen corresponding path program 1 times [2024-11-09 05:03:40,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:03:40,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560127138] [2024-11-09 05:03:40,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:40,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:03:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:40,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:03:40,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:03:40,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560127138] [2024-11-09 05:03:40,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560127138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:03:40,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:03:40,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:03:40,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575036970] [2024-11-09 05:03:40,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:03:40,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:03:40,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:03:40,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:03:40,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:03:40,394 INFO L87 Difference]: Start difference. First operand 141 states and 221 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:03:40,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:03:40,432 INFO L93 Difference]: Finished difference Result 141 states and 221 transitions. [2024-11-09 05:03:40,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:03:40,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2024-11-09 05:03:40,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:03:40,434 INFO L225 Difference]: With dead ends: 141 [2024-11-09 05:03:40,434 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:03:40,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:03:40,438 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:03:40,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:03:40,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:03:40,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:03:40,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:03:40,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:03:40,441 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2024-11-09 05:03:40,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:03:40,441 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:03:40,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:03:40,441 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:03:40,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:03:40,448 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 3 remaining) [2024-11-09 05:03:40,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (1 of 3 remaining) [2024-11-09 05:03:40,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-09 05:03:40,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:03:40,454 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-09 05:03:40,458 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 05:03:40,458 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:03:40,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:03:40 BasicIcfg [2024-11-09 05:03:40,461 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:03:40,462 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:03:40,462 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:03:40,463 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:03:40,464 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:03:38" (3/4) ... [2024-11-09 05:03:40,467 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:03:40,470 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-09 05:03:40,476 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2024-11-09 05:03:40,477 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-09 05:03:40,477 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 05:03:40,478 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:03:40,570 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ee6cd1f-ec68-45df-a2de-d65d3fe21f27/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:03:40,571 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ee6cd1f-ec68-45df-a2de-d65d3fe21f27/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:03:40,571 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:03:40,572 INFO L158 Benchmark]: Toolchain (without parser) took 3631.90ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 95.3MB in the beginning and 123.3MB in the end (delta: -28.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-09 05:03:40,572 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 134.2MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:03:40,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 523.29ms. Allocated memory is still 134.2MB. Free memory was 95.3MB in the beginning and 73.2MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 05:03:40,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.04ms. Allocated memory is still 134.2MB. Free memory was 73.2MB in the beginning and 71.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:03:40,573 INFO L158 Benchmark]: Boogie Preprocessor took 23.01ms. Allocated memory is still 134.2MB. Free memory was 71.0MB in the beginning and 69.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:03:40,573 INFO L158 Benchmark]: RCFGBuilder took 670.89ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 69.8MB in the beginning and 138.5MB in the end (delta: -68.8MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2024-11-09 05:03:40,574 INFO L158 Benchmark]: TraceAbstraction took 2256.27ms. Allocated memory is still 174.1MB. Free memory was 137.6MB in the beginning and 128.6MB in the end (delta: 9.0MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2024-11-09 05:03:40,574 INFO L158 Benchmark]: Witness Printer took 109.13ms. Allocated memory is still 174.1MB. Free memory was 128.6MB in the beginning and 123.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 05:03:40,578 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 134.2MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 523.29ms. Allocated memory is still 134.2MB. Free memory was 95.3MB in the beginning and 73.2MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.04ms. Allocated memory is still 134.2MB. Free memory was 73.2MB in the beginning and 71.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.01ms. Allocated memory is still 134.2MB. Free memory was 71.0MB in the beginning and 69.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 670.89ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 69.8MB in the beginning and 138.5MB in the end (delta: -68.8MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2256.27ms. Allocated memory is still 174.1MB. Free memory was 137.6MB in the beginning and 128.6MB in the end (delta: 9.0MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Witness Printer took 109.13ms. Allocated memory is still 174.1MB. Free memory was 128.6MB in the beginning and 123.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 695]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 55 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 89 mSDsluCounter, 159 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 76 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 259 IncrementalHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 83 mSDtfsCounter, 259 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=285occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 26 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 427 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 05:03:40,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ee6cd1f-ec68-45df-a2de-d65d3fe21f27/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE